Calculadoras del tiempo, la Tierra y ocio

Explora fases lunares, sensación térmica, índice de calor, altitud, presión, huella de carbono y agua de lluvia. Astrología y numerología se presentan como entretenimiento.

7 calculadoras · 39 ejemplos verificados

Cielo

Moon phase calculator
Moon phase for any date and time: the phase name, percentage illuminated and moon age in days, with the dates of the next new and full moons.

Tiempo atmosférico

Air pressure at altitude and boiling point calculator
Air pressure at altitude from the standard atmosphere, with temperature, air density and the boiling point of water, or the altitude for a given pressure.
Wind chill, heat index and dew point calculator
Wind chill and heat index calculator: the feels-like temperature from the NWS formulas, plus dew point, frostbite risk and heat-stress level.

Medio ambiente

Entretenimiento

Cómo elegir una calculadora: Tierra y ocio

Separate environmental estimates from forecasts

Wind chill, heat index and pressure tools apply formulas to conditions you supply; they do not fetch a local weather forecast. Select the correct temperature scale, humidity and wind units, and read the model's valid range. Moon-phase estimates describe a lunar cycle, while visibility at a particular location depends on additional conditions. Check an authoritative local forecast or observation when planning an outdoor activity or making a safety decision.

Wind chill and heat index · Air pressure and altitude · Fase lunar

Use environmental totals as scenarios

Rainwater harvesting combines roof area, rainfall and an efficiency allowance. Consistent area and depth units are essential because their product is a volume. Carbon-footprint estimates depend on the factors and activities selected, so compare scenarios using the same assumptions. These estimates help explain the arithmetic but cannot replace a local design assessment or a measured inventory. Read the sources and sensitivity to inputs before treating a total as a precise personal footprint.

Rainwater collection · Carbon estimates

Entertainment tools have a different purpose

The zodiac and numerology pages are labelled entertainment. They turn a date or name into a conventional category and do not provide scientific predictions about personality, compatibility or future events. Keep those activities separate from the physical models in this hub. If you need an exact elapsed age or a date interval, the date-and-time calculators explain their calendar conventions and show the relevant arithmetic.

Age calculation · Date intervals